System of Measurement System of Measurement |
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Thread Size Thread Size | Show |
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Thread Size Thread Size | Hide |
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Thread Type Thread Type |
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Thread Spacing Thread Spacing |
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Material Material |
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Hex Nut Profile Hex Nut Profile |
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Standard | Thin |
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Extra-Wide Thin |
Thread Direction Thread Direction |
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Drive Style Drive Style |
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![]() | External Hex |
Locking Type Locking Type |
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![]() | Nylon Insert |
Insert Maximum Temperature Insert Maximum Temperature |
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Shape Shape |
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![]() | Straight |
Finish Finish |
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Type Type |
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![]() | Nut |
Connection Style Connection Style |
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Flared |
Dash Size Dash Size |
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For Tube Material For Tube Material |
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Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.
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About half the strength of medium-strength steel nuts, these nuts are for light duty fastening applications, such as securing access panels.
For technical drawings and 3-D models, click on a part number.
Thread Size | Wd. | Ht. | Specifications Met | Pkg. Qty. | Pkg. | |
Steel—Grade 2 | ||||||
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2 1/2"-12 | 3 3/4" | 2 5/32" | ASTM A307 | 1 | 000000000 | 000000 |
Also known as jam nuts, these are about half the height of standard hex nuts. Use them in low-clearance applications or jam one against another nut to hold it in place. About half the strength of medium-strength steel thin nuts, use them for light duty fastening applications, such as securing access panels.
For technical drawings and 3-D models, click on a part number.
Thread Size | Wd. | Ht. | Pkg. Qty. | Pkg. | |
Steel—Grade 2 | |||||
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2 1/2"-12 | 3 3/4" | 1 13/32" | 1 | 000000000 | 000000 |
About half the height and 10% wider than standard nylon-insert locknuts, use these in low-clearance applications or jam one against an extra-wide hex nut to hold it in place. The nylon insert grips the bolt to resist loosening without damaging threads. They're reusable, but their holding power lessens with each use. Comparable in strength to Grade 8 bolts, these locknuts are about three times stronger than low-strength steel extra-wide thin locknuts.
Black-phosphate steel locknuts resist corrosion in wet environments.
For technical drawings and 3-D models, click on a part number.
Thread Size | Wd. | Ht. | Insert Max. Temp., °F | Each | |
Black-Phosphate Steel—Grade C | |||||
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2 1/2"-12 | 4" | 2 3/16" | 250° | 000000000 | 000000 |
Use these nuts with a sleeve and fitting to provide a tight metal-to-metal seal on stainless steel tubing that is flared to 37°. Nuts are 316 stainless steel for excellent corrosion resistance.
For technical drawings and 3-D models, click on a part number.
For Tube OD | Nut Material | Each | |
2" | 316 Stainless Steel | 000000000 | 0000000 |
Use these nuts with precision AN sleeves and fittings to provide a tight metal-to-metal seal on stainless steel tubing that is flared to 37°. The threads are Class 3B and adhere to tighter tolerances than other nuts. They are made to exact AS (formerly AN) specifications.
304 stainless steel nuts have very good corrosion resistance.
For technical drawings and 3-D models, click on a part number.
304 Stainless Steel | ||||
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For Tube OD | Max. Pressure | Specifications Met | Each | |
2" | 1,500 psi @ 72° F | AN818-32J, ASTM A380, SAE AS4841 | 00000000 | 0000000 |
Use these nuts with a sleeve and fitting to provide a tight metal-to-metal seal on steel tubing that is flared to 37°. They are zinc-plated steel for fair corrosion resistance.
For technical drawings and 3-D models, click on a part number.
For Tube OD | Nut Material | Max. Pressure | Each | |
2" | Zinc-Plated Steel | 1,100 psi @ 72° F | 00000000 | 000000 |